Reading #25 Image Retrieval

Summary
This paper proposes as sketch based query system to search an image database of millions of images. The backbone of the search system is the image descriptors, essentially some data obtained by performing some edge detection on the images. The descriptor of the sketch is obtained the same way an image descriptor is obtained.

Discussion
This is another application domain for sketching, where words are not enough for describing things. It reminded me another work, where a sketch based query system was used to retrieve 3D models from a mesh database.